MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7a5c515efb3d6756e804bb7ebd9987bd0862ce38dc7bf76f7bcfdfcccbd570e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AveMariaRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7a5c515efb3d6756e804bb7ebd9987bd0862ce38dc7bf76f7bcfdfcccbd570e
SHA3-384 hash: a3be04f21d7c8abfbb0b56bd6bc71f47449da5d355fa3791a1cff4ef959e05ade0427717702492e8cf322ce89dd28d46
SHA1 hash: 0fa6c7ffc26c818f80797188be779d2f13765445
MD5 hash: 6af5637a0f2237c31bd2abbc510829ed
humanhash: eleven-seventeen-bravo-illinois
File name:b7a5c515efb3d6756e804bb7ebd9987bd0862ce38dc7bf76f7bcfdfcccbd570e
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'015'281 bytes
First seen:2020-11-11 11:29:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:O2T7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHT:O2T7A3mw4gxeOw46fUbNecCCFbNecE
Threatray 3'734 similar samples on MalwareBazaar
TLSH B6D59ED3A6EA04D3F636E4B17C0F6B614580AC2E5B406B9B1F373EE950D72B16293907
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.Ep-7
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Ursu-6793772-0
Create hunting rule

Win.Malware.Ursu-6914170-0
Create hunting rule

Win.Malware.Ursu-6914171-0
Create hunting rule

Win.Malware.Cerber-6989221-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Creating a file in the mass storage device
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/532605
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Command shell drops VBS files
Contain functionality to detect virtual machines
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: System File Execution Location Anomaly
Spreads via windows shares (copies files to share folders)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315403 Sample: gkyxvkzOQh Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 161 Antivirus detection for dropped file 2->161 163 Antivirus / Scanner detection for submitted sample 2->163 165 Multi AV Scanner detection for submitted file 2->165 167 6 other signatures 2->167 13 gkyxvkzOQh.exe 2->13         started        16 wscript.exe 1 2->16         started        18 wscript.exe 2->18         started        20 svchost.exe 2->20         started        process3 signatures4 211 Detected unpacking (changes PE section rights) 13->211 213 Detected unpacking (creates a PE file in dynamic memory) 13->213 215 Detected unpacking (overwrites its own PE header) 13->215 217 5 other signatures 13->217 22 gkyxvkzOQh.exe 1 51 13->22         started        25 cmd.exe 2 13->25         started        27 gkyxvkzOQh.exe 16->27         started        29 StikyNot.exe 18->29         started        process5 signatures6 169 Spreads via windows shares (copies files to share folders) 22->169 171 Writes to foreign memory regions 22->171 173 Allocates memory in foreign processes 22->173 175 Sample is not signed and drops a device driver 22->175 31 gkyxvkzOQh.exe 1 3 22->31         started        36 diskperf.exe 5 22->36         started        177 Command shell drops VBS files 25->177 179 Drops VBS files to the startup folder 25->179 38 conhost.exe 25->38         started        181 Tries to detect sandboxes / dynamic malware analysis system (file name check) 27->181 183 Injects a PE file into a foreign processes 27->183 40 gkyxvkzOQh.exe 46 27->40         started        42 cmd.exe 1 27->42         started        44 StikyNot.exe 29->44         started        46 cmd.exe 29->46         started        process7 dnsIp8 131 192.168.2.1 unknown unknown 31->131 105 C:\Windows\System\explorer.exe, PE32 31->105 dropped 149 Installs a global keyboard hook 31->149 48 explorer.exe 31->48         started        107 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 36->107 dropped 109 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 36->109 dropped 111 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 36->111 dropped 113 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 36->113 dropped 51 StikyNot.exe 36->51         started        151 Spreads via windows shares (copies files to share folders) 40->151 153 Writes to foreign memory regions 40->153 155 Allocates memory in foreign processes 40->155 53 gkyxvkzOQh.exe 40->53         started        55 diskperf.exe 40->55         started        57 conhost.exe 42->57         started        157 Sample uses process hollowing technique 44->157 159 Injects a PE file into a foreign processes 44->159 59 conhost.exe 46->59         started        file9 signatures10 process11 signatures12 133 Antivirus detection for dropped file 48->133 135 Detected unpacking (changes PE section rights) 48->135 137 Detected unpacking (creates a PE file in dynamic memory) 48->137 147 3 other signatures 48->147 61 explorer.exe 47 48->61         started        65 cmd.exe 1 48->65         started        139 Machine Learning detection for dropped file 51->139 141 Tries to detect sandboxes / dynamic malware analysis system (file name check) 51->141 143 Injects a PE file into a foreign processes 51->143 67 StikyNot.exe 46 51->67         started        69 cmd.exe 1 51->69         started        145 Installs a global keyboard hook 53->145 71 explorer.exe 53->71         started        process13 file14 121 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 61->121 dropped 123 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 61->123 dropped 219 Injects code into the Windows Explorer (explorer.exe) 61->219 221 Spreads via windows shares (copies files to share folders) 61->221 223 Writes to foreign memory regions 61->223 225 Allocates memory in foreign processes 61->225 73 explorer.exe 3 17 61->73         started        78 diskperf.exe 61->78         started        80 conhost.exe 65->80         started        227 Sample uses process hollowing technique 67->227 82 conhost.exe 69->82         started        229 Tries to detect sandboxes / dynamic malware analysis system (file name check) 71->229 231 Drops executables to the windows directory (C:\Windows) and starts them 71->231 233 Injects a PE file into a foreign processes 71->233 84 explorer.exe 71->84         started        86 cmd.exe 71->86         started        signatures15 process16 dnsIp17 125 vccmd03.googlecode.com 73->125 127 vccmd02.googlecode.com 73->127 129 4 other IPs or domains 73->129 117 C:\Windows\System\spoolsv.exe, PE32 73->117 dropped 119 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 73->119 dropped 199 System process connects to network (likely due to code injection or exploit) 73->199 201 Creates an undocumented autostart registry key 73->201 203 Installs a global keyboard hook 73->203 88 spoolsv.exe 73->88         started        91 spoolsv.exe 73->91         started        205 Spreads via windows shares (copies files to share folders) 84->205 207 Sample uses process hollowing technique 84->207 209 Injects a PE file into a foreign processes 84->209 93 conhost.exe 86->93         started        file18 signatures19 process20 signatures21 185 Antivirus detection for dropped file 88->185 187 Detected unpacking (changes PE section rights) 88->187 189 Detected unpacking (creates a PE file in dynamic memory) 88->189 197 2 other signatures 88->197 95 spoolsv.exe 88->95         started        98 cmd.exe 88->98         started        191 Tries to detect sandboxes / dynamic malware analysis system (file name check) 91->191 193 Sample uses process hollowing technique 91->193 195 Injects a PE file into a foreign processes 91->195 100 cmd.exe 91->100         started        process22 file23 235 Spreads via windows shares (copies files to share folders) 95->235 237 Sample uses process hollowing technique 95->237 239 Injects a PE file into a foreign processes 95->239 103 conhost.exe 98->103         started        115 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 100->115 dropped signatures24 process25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7a5c515efb3d6756e804bb7ebd9987bd0862ce38dc7bf76f7bcfdfcccbd570e/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 11:32:46 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6s4kfppwplhk3uajo36xwmyppiimlhdrxd365xxxt67ztf5k4ha._file
Verdict:
unknown
Similar samples:
1407ec8f501ceb7b97c5e2d1b74432dfae8cd0a9ef833420ea0375762bd50cbf
AveMariaRAT
15dc6262a76fbf6dbb653fe7f22bebc2e8c670ee2177d25c6d54f2fe1e4991f8
AveMariaRAT
32c662ee6e8a9a50f455f1dcfde79265b8672774e779decd10dd3029ae4b0624
AveMariaRAT
4c5243fb93c8228c700ac8c3260ce478c30eb62f5c3737217952d49e866c1f4f
AveMariaRAT
720d5efa9da834f02070731e4c63ba4f88bf047fd4e514369abc177183facfc1
AveMariaRAT
8fea74281c17348342f39aec42b329e0780abe6529bd4e17cb026902f98e94e9
AveMariaRAT
b872919b64ad541b5787915e92f87931cbf0e58561ec1a865da144f3a11474fb
AveMariaRAT
d49bf8b5ef7c4c8195b34f1468612abf2ff1e8200f64d1420fe974c994c6c5bf
AveMariaRAT
e420dd12e24cd9f9c1c1ffe71170b7218997b423d126d031fb948b183f803e79
AveMariaRAT
e761d308089dba30cc23f8878d984aa1f11b049f2f096e9766db3c92e1ccf290
AveMariaRAT
+ 3'724 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Link:
https://tria.ge/reports/201111-2vxpcf2392/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
b7a5c515efb3d6756e804bb7ebd9987bd0862ce38dc7bf76f7bcfdfcccbd570e
MD5 hash:
6af5637a0f2237c31bd2abbc510829ed
SHA1 hash:
0fa6c7ffc26c818f80797188be779d2f13765445
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/30760280-2f23-4713-8094-3331d658634d/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ave_maria_warzone_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Codoso_Gh0st_1
Create hunting rule
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Create hunting rule
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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